Table 1.
Description of the study population n (%)
| Total (n = 1215) | Follow-up contact |
P value | ||
| Reply (n = 902) | No reply (n = 313) | |||
| Male | 702 (57.8) | 511 (56.7) | 191 (61.0) | 0.18 |
| Age (yr), mean ± SD | 36 ± 15 | 37 ± 15 | 34 ± 14 | 0.02 |
| HBV prevalence of birth country | < 0.001 | |||
| Low (< 2.0%) | 670 (55.1) | 527 (58.4) | 143 (45.7) | |
| Intermediate (2.0%-8.0%) | 331 (27.2) | 222 (24.6) | 109 (34.8) | |
| High (> 8.0%) | 214 (17.6) | 153 (17.0) | 61 (19.5) | |
| Parents from high endemic region | 276 (22.7) | 205 (22.7) | 71 (22.7) | 0.9 |
| Traveled to high endemic region1 | 284 (23.4) | 204 (22.6) | 80 (25.6) | 0.3 |
| Healthcare in high endemic region | 177 (14.6) | 124 (13.8) | 53 (16.9) | 0.17 |
| Health insurance plan | < 0.001 | |||
| Social security/CMU2 | 913 (75.2) | 719 (79.7) | 194 (62.0) | |
| CMUc3 | 61 (5.0) | 47 (5.2) | 14 (4.5) | |
| AME4/Other/ None | 241 (19.8) | 136 (15.1) | 105 (33.6) | |
| Received transfusion | 48 (4.0) | 33 (3.7) | 15 (4.8) | 0.4 |
| Received tattoos | 151 (12.4) | 100 (11.1) | 51 (16.3) | 0.02 |
| Received piercing | 510 (42.0) | 387 (42.9) | 123 (39.3) | 0.3 |
| Close contact with HBV+ individual | 75 (6.2) | 57 (6.4) | 18 (5.8) | 0.7 |
| Number of life-time sexual partners | 0.001 | |||
| 0-1 | 181 (14.9) | 118 (13.1) | 63 (20.1) | |
| 2-9 | 560 (46.1) | 409 (45.3) | 151 (48.2) | |
| ≥ 10 | 474 (39.0) | 375 (41.6) | 99 (31.6) | |
| > 1 sexual partner within 12 mo | 593 (48.8) | 447 (49.6) | 146 (46.7) | 0.4 |
| Men who have sex with men | 93 (8.9) | 73 (8.1) | 20 (6.4) | 0.3 |
| Nasal drug-use | 145 (11.9) | 108 (12.0) | 37 (11.8) | 0.9 |
| Intravenous drug-use | 5 (0.4) | 5 (0.6) | 0 | 0.3 |
| Long-term stay at a medical center | 50 (4.1) | 38 (4.2) | 12 (3.8) | 0.8 |
| Previously incarcerated | 87 (7.2) | 63 (7.0) | 24 (7.7) | 0.7 |
Participants with reply and no reply were compared using Kruskal-Wallis test for continuous variables and Pearson χ² test or Fisher's exact test for categorical variables.
Period of stay was longer than 3 mo;
Couverture médicale universelle, minimum health insurance coverage that is given to persons living in precarious situations (i.e. unemployed, poverty, etc.);
Couverture médicale universelle complémentaire, additional health insurance coverage that is given to stable residents in France living with limited financial resources;
Aide médicale d’état, health insurace generally given to immigrants without proper documentation.